PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 22414373-1 2012 Scheduling the initiation of ovarian stimulation in a gonadotrophin-releasing hormone (GnRH)-antagonist protocol by sex steroid pretreatment has been suggested as a means to reduce the incidence of oocyte retrievals during weekends. Steroids 120-127 gonadotropin releasing hormone 1 Homo sapiens 54-85 22414373-1 2012 Scheduling the initiation of ovarian stimulation in a gonadotrophin-releasing hormone (GnRH)-antagonist protocol by sex steroid pretreatment has been suggested as a means to reduce the incidence of oocyte retrievals during weekends. Steroids 120-127 gonadotropin releasing hormone 1 Homo sapiens 87-91